This is a new set of email ids . ghood@gee.com, vfojob@gee.com,dooejas@gee.com,viobes2@gee.com,asbxxv@gee.com,gibees@gee.com,fiddef@gee.com,vihhoo@gee.com,giboss@gee.com,veedi@gee.com,ekdnm@gee.com,kimsrp@gee.com

conversion code is being used as mentioned below [a-j] by [0-9] and [k-z] by [~!_<>%^&*() ; `"=?]

I wish to store the new set of email ids along with the already existing old set of email ids which were stored in numerical format. I have problem in obtaining the repeated email ids after saving the new set in the old . this is the script used to resolve this problem but there is an error